Choice "B" is correct. The auditor is required to determine materiality for the single financial statement.
Choice "c" is incorrect. The auditor can perform the audit as either a separate engagement or in conjunction with an audit of the complete set of financial statements.
Choice "a" is incorrect. In auditing a single financial statement, the auditor should perform procedures, as necessary, on interrelated items.Choice "d" is incorrect. The auditor, when auditing a single financial statement, is required to understand the intended users of the financial statement.